diff --git a/requirements/ci.txt b/requirements/ci.txt
index 02a085b..e68d7b2 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -1,2 +1,2 @@
 pipenv==2025.0.3
-virtualenv==20.31.2
+virtualenv==20.35.4